{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NENU532M4NV5PG6Q56DWC6SD75","short_pith_number":"pith:NENU532M","canonical_record":{"source":{"id":"1501.05669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-22T21:53:58Z","cross_cats_sorted":[],"title_canon_sha256":"97c2fa8a581363931622761f7bab8efcf7bb1e5c33246f40366bef406493c8a8","abstract_canon_sha256":"39a2d6183a7f8f32460524f2ec502e0ba2e3a30a3d8becbd03d21f5941594e9a"},"schema_version":"1.0"},"canonical_sha256":"691b4eef4ce36bd79bd0ef87617a43ff70fc71278075b11a40397d627f4949bd","source":{"kind":"arxiv","id":"1501.05669","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05669","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05669v1","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05669","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"NENU532M4NV5","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NENU532M4NV5PG6Q","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NENU532M","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NENU532M4NV5PG6Q56DWC6SD75","target":"record","payload":{"canonical_record":{"source":{"id":"1501.05669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-22T21:53:58Z","cross_cats_sorted":[],"title_canon_sha256":"97c2fa8a581363931622761f7bab8efcf7bb1e5c33246f40366bef406493c8a8","abstract_canon_sha256":"39a2d6183a7f8f32460524f2ec502e0ba2e3a30a3d8becbd03d21f5941594e9a"},"schema_version":"1.0"},"canonical_sha256":"691b4eef4ce36bd79bd0ef87617a43ff70fc71278075b11a40397d627f4949bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:32.950084Z","signature_b64":"LJQQvp15zqho4j9k4NKdJQfvn56110vJlR2iVawVkCdL8YY9Jo5rD1tigsNl6CdzTed9+BmD6xqS5oubilptCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"691b4eef4ce36bd79bd0ef87617a43ff70fc71278075b11a40397d627f4949bd","last_reissued_at":"2026-05-18T01:55:32.949474Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:32.949474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.05669","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1zbcyROmo5yn4wRHOAwaIZK/ghd69Mx1Ms0B4pWAmW/PsG/lelkDhXEaGeYwbToovAVl3ltf6IuDAPpYg6f7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:04:19.706126Z"},"content_sha256":"27b9c72d50f75c7cf382751822f63ffaa5cefcd4bddcd39d9e53070bb89cc368","schema_version":"1.0","event_id":"sha256:27b9c72d50f75c7cf382751822f63ffaa5cefcd4bddcd39d9e53070bb89cc368"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NENU532M4NV5PG6Q56DWC6SD75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interface-induced heavy-hole/light-hole splitting of acceptors in silicon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"G. Klimeck, J. A. Miwa, J. A. Mol, J. Salfi, M. Y. Simmons, R. Rahman, S. Rogge, Y. Hsueh","submitted_at":"2015-01-22T21:53:58Z","abstract_excerpt":"The energy spectrum of spin-orbit coupled states of individual sub-surface boron acceptor dopants in silicon have been investigated using scanning tunneling spectroscopy (STS) at cryogenic temperatures. The spatially resolved tunnel spectra show two resonances which we ascribe to the heavy- and light-hole Kramers doublets. This type of broken degeneracy has recently been argued to be advantageous for the lifetime of acceptor-based qubits [Phys. Rev. B 88 064308 (2013)]. The depth dependent energy splitting between the heavy- and light-hole Kramers doublets is consistent with tight binding calc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05669","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5P8o07Z07o13YEQIQLKy2ZaYN1jBJt3G3jAIHilqVz00Jz4Ya8S90fYoi1j1Roe4JhAdYxvmccfFy/owtu1bAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:04:19.706485Z"},"content_sha256":"46b54504efb96734e080a24562106dc9b5d257add5baff3dc51ada677298eb81","schema_version":"1.0","event_id":"sha256:46b54504efb96734e080a24562106dc9b5d257add5baff3dc51ada677298eb81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NENU532M4NV5PG6Q56DWC6SD75/bundle.json","state_url":"https://pith.science/pith/NENU532M4NV5PG6Q56DWC6SD75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NENU532M4NV5PG6Q56DWC6SD75/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T15:04:19Z","links":{"resolver":"https://pith.science/pith/NENU532M4NV5PG6Q56DWC6SD75","bundle":"https://pith.science/pith/NENU532M4NV5PG6Q56DWC6SD75/bundle.json","state":"https://pith.science/pith/NENU532M4NV5PG6Q56DWC6SD75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NENU532M4NV5PG6Q56DWC6SD75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NENU532M4NV5PG6Q56DWC6SD75","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"39a2d6183a7f8f32460524f2ec502e0ba2e3a30a3d8becbd03d21f5941594e9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-22T21:53:58Z","title_canon_sha256":"97c2fa8a581363931622761f7bab8efcf7bb1e5c33246f40366bef406493c8a8"},"schema_version":"1.0","source":{"id":"1501.05669","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05669","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05669v1","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05669","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"NENU532M4NV5","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NENU532M4NV5PG6Q","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NENU532M","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:46b54504efb96734e080a24562106dc9b5d257add5baff3dc51ada677298eb81","target":"graph","created_at":"2026-05-18T01:55:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The energy spectrum of spin-orbit coupled states of individual sub-surface boron acceptor dopants in silicon have been investigated using scanning tunneling spectroscopy (STS) at cryogenic temperatures. The spatially resolved tunnel spectra show two resonances which we ascribe to the heavy- and light-hole Kramers doublets. This type of broken degeneracy has recently been argued to be advantageous for the lifetime of acceptor-based qubits [Phys. Rev. B 88 064308 (2013)]. The depth dependent energy splitting between the heavy- and light-hole Kramers doublets is consistent with tight binding calc","authors_text":"G. Klimeck, J. A. Miwa, J. A. Mol, J. Salfi, M. Y. Simmons, R. Rahman, S. Rogge, Y. Hsueh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-22T21:53:58Z","title":"Interface-induced heavy-hole/light-hole splitting of acceptors in silicon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05669","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:27b9c72d50f75c7cf382751822f63ffaa5cefcd4bddcd39d9e53070bb89cc368","target":"record","created_at":"2026-05-18T01:55:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"39a2d6183a7f8f32460524f2ec502e0ba2e3a30a3d8becbd03d21f5941594e9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-22T21:53:58Z","title_canon_sha256":"97c2fa8a581363931622761f7bab8efcf7bb1e5c33246f40366bef406493c8a8"},"schema_version":"1.0","source":{"id":"1501.05669","kind":"arxiv","version":1}},"canonical_sha256":"691b4eef4ce36bd79bd0ef87617a43ff70fc71278075b11a40397d627f4949bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"691b4eef4ce36bd79bd0ef87617a43ff70fc71278075b11a40397d627f4949bd","first_computed_at":"2026-05-18T01:55:32.949474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:32.949474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LJQQvp15zqho4j9k4NKdJQfvn56110vJlR2iVawVkCdL8YY9Jo5rD1tigsNl6CdzTed9+BmD6xqS5oubilptCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:32.950084Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.05669","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27b9c72d50f75c7cf382751822f63ffaa5cefcd4bddcd39d9e53070bb89cc368","sha256:46b54504efb96734e080a24562106dc9b5d257add5baff3dc51ada677298eb81"],"state_sha256":"df7ee3b0377665b579459273fb2376f155b72eda691c821126411ae8f50ad855"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7QNQYSE5lVKldtSdnkpAwBEBPGymk+M3K37HrQX5O11CQm5RhK1h8BtONVSeOD9bZUw6BKmGg1JU+sWWXlVCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:04:19.708837Z","bundle_sha256":"e7b34f3b9ab3d58e0ed6120d699ed6aeda6d32da31c8ba02f3d6c09a1167b612"}}